drupal_get_private_key()
drupal-4-6/includes/common.inc, line 933
Ensure the private key variable used to generate tokens is set.
The private key
function drupal_get_private_key() {
if (!($key = variable_get('drupal_private_key', 0))) {
$key = mt_rand();
variable_set('drupal_private_key', $key);
}
return $key;
}